As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH FLT 2903, THE CREW REPORTED A BAGGAGE SMOKE WARNING IN FLIGHT. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE AFT CARGO SMOKE DETECTOR, OPERATIONALLY CHECKED WIT NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.